Bacula is a set of computer programs that permit managing backup, recovery, and verification of computer data across a network of computers of different kinds. Based on Source Forge downloads, Bacula is the most popular Open Source backup program.

Windows X-server based on the xorg git sources (like xming or cygwin's xwin), but compiled with Visual C++ 2012 Express Edition. Source code can also be compiled with VS2008, VS2008 Express Edition and VS2010 Express Edition, although current project and makefile are not fully compatible anymore.
Versions starting from 1.14.3.0 are not compatible with Windows XP anymore.

The tool is designed for IT Professionals to troubleshoot SMS/SCCM Client related Issues. The SCCM Client Center provides a quick and easy overview of client settings, including running services and SCCM settings in a good easy to use, user interface. Project has moved to: https://sccmclictr.codeplex.com/

Yet Another Process Monitor (YAPM) is a powerful process viewer for Windows that monitors the services & processes, their modules, threads, handles, windows, TCP/UDP connections... etc. running on local system or on any of the computers on your network.

Sudo for Windows (sudowin) allows authorized users to launch processes with elevated privileges using their own passphrase. Unlike the runas command, Sudo for Windows preserves the user's profile and ownership of created objects.

File system/directory monitoring utilities with loggin and task processing support (can execute files or make a WCF service call). Multiple configuration options. Source code libraries can be used to create a custom file system monitor.

FileVerifier++ is a Windows utility for calculating hashes using a number of algorithms including CRC32, MD5, SHA-1, SHA-256/224/384/512, WHIRLPOOL, and RIPEMD-128/160/256/320. Supported hash file formats include MD5SUM .MD5, SFV, BSD CKSUM, and others.